Home / 107,439.53-148,220.62-67,125.83

Finding the Fourth Proportional to 107,439.53, 148,220.62 and 67,125.83

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Solution

The fourth proportional to 107,439.53, 148,220.62 and 67,125.83 is: 92,604.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,439.53 : 148,220.62 = 67,125.83 : x
  2. Step 2: Convert to fraction form
    107,439.53/148,220.62 = 67,125.83/x
  3. Step 3: Cross multiply
    107,439.53x = 148,220.62 × 67,125.83
  4. Step 4: Simplify right side
    107,439.53x = 9,949,431,231.70
  5. Step 5: Solve for x
    x = 9,949,431,231.70/107,439.53
  6. Step 6: Final answer
    x = 92,604.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.